Vortex Viper PST GEN II MRAD

5-25×50 FFP EBR-7c

The Vortex Viper PST Gen 2 5-25×50 FFP is an updated favorite that hands an unfair advantage to shooters who seek to keep the upper hand in every situation from close quarters to long-range shots. The illumination dial is cleanly integrated into the side focus adjustment knob for easy access and streamlined performance. The glass-etched reticle offers shooters highly functional, intuitive, and detailed hold points, yet remains uncluttered for optimal viewing and features 10 intensity levels with off positions between each setting.

MRAD Adjustments

A minute of angle will subtend 1.05 inches at a distance of 100 yards. Viper PST riflescopes with MRAD adjustments use 1⁄4 minute clicks which subtend .26 inches at 100 yards  7.3 mm at 100 meters, .52 inches at 200 yards / 14.6 mm at 200 meters, .78 inches at 300 yards / 21.8 at 300 meters, etc.

Windage and Elevation Adjustments

The Vortex Viper PST Gen 2 5 25 x 50 FFP riflescope incorporates precision finger adjustable elevation and windage dials with audible clicks.

 To make adjustments:

  1. Turn the adjustment knob in the appropriate direction Up and Down or Left and Right as indicated by the arrows.
  2. Following the directional arrows, turn the knobs in the direction you wish the bullet’s point-of-impact to go to.


MRAD Adjustments

With each click of the Viper PST moving the point of impact 1/4 MRAD, four clicks of the knob will move a bullet’s point of impact 1.05 inches at a 100 yard sight in distance. At 100 meters, four clicks will more the point of impact 29.1 mm.

RZR Zero Stop

Vortex Viper PST rifle scopes incorporate the RZR Zero Stop feature. After the rifle is sighted in, the RZR Zero Stop allows fast, sure return to the original zero point when large multi revolution elevation corrections have been dialed into the rifle scope.

Without a zero stop, You have to pay very close attention when dialing large corrections needing multiple revolutions of the elevation knob. If you lose track of the number of revolutions, the original zero point may become lost. Because of the RZR Zero Stop, the elevation knob on the Vortex Viper PST Gen II 5 25 x 50 First Focal Plane can be spun back to the original zero fast without having to carefully count revolutions.

Once the RZR Zero Stop is set, the elevation knob will stop turning at the original zero point when being returned from a temporary elevation correction.

First Focal Plane Reticle

First focal plane reticles are located near the windage and elevation turrets in front of the image erecting and magnifying lenses. This style of reticle will visually grow and shrink as you switch the magnification. The main advantage of an First Focal Plane reticle is that the reticle sub tensions used for ranging, holdovers, and wind drift corrections are consistent at all magnifications. The reticle is heavier at higher magnifications and finer at lower magnifications.

Vortex Viper Gen 2 5-25 Features

XD Lens Elements

Extra low dispersion glass raises resolution and color fidelity, resulting in crisp, sharp images.

XR Fully Multi Coated

Proprietary coatings raises light transmission with multiple anti reflective coatings on all air to glass surfaces.

First Focal Plane Reticle

Scale of reticle stays in proportion to the zoomed image. Constant sub tensions give accurate holdover and ranging at all magnifications.

Glass Etched Reticle

Makes for intricate reticle design. Protected between two layers of glass for optimum durability and reliability.

Illuminated Reticle

Gives precise aiming under low light settings

Single Piece Tube

Maximizes alignment for better accuracy and optimum visual performance, as well as ensures strength and waterproof.

Aircraft Grade Aluminum

Waterproof, Fog proof, and Shockproof

Hard Anodized Finish

Highly durable hard coat anodization gives a low glare matte surface and helps camouflage your position.


Ultra hard, scratch resistant coating protects outer lenses from scratches, oil and dirt.

Tactical Style Turrets

Exposed turrets makes fast, accurate and easily read elevation and windage adjustments.

Radius Bar

Fiber optic turret rotation indicator gives a highly visible and tactile point of reference for turret rotations.

Fast Focus Eyepiece

Built In Accuracy Features

Matching, MRAD or MOA turrets and reticles facilitate fast and accurate shooting at longer ranges. The patented fiber optic Radius Bar visually helps tracking turret rotations.


Magnification 5 to 25 x
Objective Lens Diameter 50 mm
Eye Relief 3.4 in
Field of View 24.1 to 4.8 feet @ 100 yards
Tube Size 30 mm
Turret Style Tactical RZR Zero Stop
Adjustment Graduation 1/4 MRAD
Travel per Rotation 25 MRAD
Max Elevation Adjustment 70 MRAD
Max Windage Adjustment 35 MRAD
Parallax Setting 25 yds to Infinity
Length 16 in
Weight 31.2 oz

VIP Warranty

VIP stands for a Very Important Promise to you, our customer. We will repair or replace your Vortex® product in the event it becomes damaged or defective—at no charge to you. If we cannot repair your product, we will replace it with a product in perfect working order of equal or better physical condition. You see, it doesn’t matter how it happened, whose fault it was, or where you purchased it. You can count on the VIP Warranty for all Vortex Optics riflescopesprism scopesred dotsrangefindersbinocularsspotting scopestripods, and monoculars.


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Additional information

Weight 2 lbs


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